12in = 1ft
Therefore 8in + 4in = 12in = 1ft
1ft + 8ft + 2ft = 11ft
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4 ft 8 in + 5 ft 6in = 10 ft 2 in This is normally written as 4' 8" + 5' 6" = 10' 2" NOTE : 12 inches = 1 foot
3 + 4 + 2 + 8 + 6 + 0.3 + 4 + 2 + 8 + 6 + 0.3 + 4 + 2 = 49.6
Total surface area = 2*(HB + BL + LH) = 2*(8*1 + 1*2 + 2*8) sq ft =2*(8 + 2 + 16) sq ft = 2*26 sq ft = 52 sq ft.
8 yds
8 feet 2 inches by 4 feet; or 8 feet 2 inches by 4 inches:8 ft 2 in by 4 ft: 32 2/3 square feet.8 ft 2 in by 4 in: 2 13/18 square feet. (or 392 sq. inches)